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Serving Scottsdale, the Greater Phoenix Area and Beyond

Your Comfort AllStars

Ductwork

Duct Repair & Replacement in Scottsdale, AZ

Air ducts are a vital part of any HVAC system. Correctly sized and sealed ductwork facilitates the smooth, quiet flow of indoor air, delivering cool comfort to every room. Suitably sized return ducts also maximize AC efficiency by promoting balanced air return and supply.

In older homes built before current energy standards, ducts are a common cause of poor AC performance and rising utility bills. Aging or deteriorating air ducts hidden in ceilings, walls and attics go unnoticed when new cooling equipment is installed. This neglect leads to common air duct problems like these:

  • Crushed, sagging or kinked ducts
  • Disconnected ducts
  • Leaky ducts
  • Incorrectly designed and installed ducts
  • Stamped registers & grilles
  • Undersized return ducts
  • Under-insulated ducts

Repair, Seal or Replace Outdated Ductwork

Larson’s duct replacement solves problems that stem from incorrect configuration, poor workmanship and old duct systems. Air duct design and arrangement is sophisticated and requires the expertise of specially trained technicians. Our NATE-certified team calculates your home’s recommended duct size and register placement to assure high-efficiency heating and cooling. Replacing an old HVAC unit without updating ductwork leads to poor equipment performance, much like attaching a frayed extension cord to a new lamp!

At Larson, we know ductwork design directly influences HVAC performance and other installation factors like these:

  • Equipment sizing
  • Unit efficiency
  • Equipment malfunctions
  • Envelope infiltration
  • Operating costs
  • Indoor air quality
  • Noise levels
  • Occupant comfort
  • Owner satisfaction with the system
duct repair phoenix

Duct Services by Larson

To ensure year-round comfort during cooling and heating seasons, our Phoenix-area indoor air quality specialists provide duct repair and sealing, duct replacement, new duct installation and duct insulation. Other expertise includes:

  • Duct design & Manual D calculation. The Air Conditioning Contractors of America Manual D is the method used to determine ductwork layout and duct sizing. Larson’s NATE-certified specialists use this gold standard for designing and sizing ducts for new and retrofitted HVAC systems. Manual D calculations are used in conjunction with other HVAC installation standards to deliver homeowner satisfaction and assure system efficiency, quietness and performance.
  • Return air additions. When replacing HVAC systems and ductwork, it is often wise to incorporate additional return air vents. Most HVAC systems have undersized return-air ducts, resulting in noisy and less-effective cooling. Adding a return air vent reduces static pressure and prevents air from becoming “bottlenecked” in your vents.
  • Duct leakage testing. It’s no fun to pay for wasted AC. In a typical house, ENERGY STAR estimates 20 to 30 percent of conditioned air is lost through duct cracks, leaks or poorly sealed joints. Larson technicians will test existing ducts for leaks and recommend duct repair, duct sealing or duct replacement when necessary.
  • Installation of high-flow registers. High-flow return grilles are designed to be more aerodynamic than previous models, reducing static pressure and enabling more air to flow through. This means increased comfort, reduced energy use and less chance of noise.

Larson Duct Repair & AC Replacement Services

Cooled air that dissipates in the duct system of your home is wasted and expensive. Larson offers duct repair, duct replacement, duct sealing and duct insulation. With our help, ventilation is balanced, and your Scottsdale or Phoenix home will feel cool, refreshing and efficient. Call Larson at 480.428.0600 for these ventilation, cooling and indoor air quality services:

duct seal scottsdale

Join Larson’s Cool Club Maintenance Program

Reasonably priced and filled with customer perks, Larson’s 29-point maintenance tune-up keeps systems running strong, season after season. Our precision checklist restores HVAC equipment after months of hard use and exceeds most manufacturers’ required warranty maintenance. As a bonus, Larson’s Cool Club members receive VIP pricing on repairs or new equipment purchases. To join, dial 480.428.0600 and speak with a Larson team member—or schedule maintenance service online using this convenient form.

Customer Reviews

Our A+ BBB-accredited company puts customers first. Learn what your neighbors are saying about our five-star team.

From start to finish, the experience with Larson AC has been excellent! Looking to replace 2 units that were... approximately 15 years old, Claude provided several options and explanation of the benefits/drawbacks of each. He took as much time as we needed to answer our questions and found him to be extremely knowledgeable and helpful! We were also able to move up our installation date to help us with timelines on other projects, which was a tremendous help. On installation day, the team was able to get started early and again Claude was onsite to oversee the initial phase of the installation. Caleb and Kyle worked hard all day to install the units, including the Nest Learning thermostats. They cleaned up thoroughly, showed us how to program the thermostats and were willing and able to answer our questions. We are very happy and highly recommend Larson A/C to anyone!read more
Chawn Tipton
23:10 19 Mar 20
Over the past 3 years we have done several major and minor renovations to our home. During that time our little girls... now 3 and 6 have always referred to the workers that came to our house as “Guys.” With each crew that came to our house the question from my 6 year old was “Who is you favorite Guy, Daddy?” There were always one or two that were better than the rest. When Sam from Larson Air showed up he was just another “Guy.” But that quickly changed. Larson was the third company we called to get help with a faulty HVAC system. The previous two both spent less that 30 minutes trying to figure out the issue. They gave quick “fixes” that never resolved the problem. We were frustrated with our system, but it barely worked and we decided it couldn’t be fixed without a major overhaul. The first cold night this year both our girls came to get in bed with us because it was “too cold.”We called Larson the next morning. Sam showed up with a smile, greeted us, and got to work. After almost 3 hours, 20 shoe cover changes, and 5 or 6 calls to the other workers at Larson, Sam gave us his diagnosis and plan. Today, a week later, our girls are warm and our system runs perfectly. Sam came over and fixed the faulty part. Again we were greeted with a smile and total professionalism. Sam is the man. He’s definitely our favorite “Guy.”read more
Shad Misseldine
20:54 05 Feb 20
From first contact with Ish for quote to Mike And Bruno doing the work was an excellent experience. They were spot on... time, professional, courteous and did a great cleanup job when they were done. Very happy with the entire experience.Michael showed up for follow up. They did a great job balancing out the airflow. Thank you!read more
Marco Sbezzo
15:31 24 Jan 20
Lyle was awesome and very informative. One thing however was when they called to make my maintenance appointment they... quoted me one price. Larson installed both of my units and they should have that on record. Lyle was surprised to learn that I had 2. The price quoted was only for one. So it was double the cost I was expecting. They should have quoted me at both of them so I knew what to expect. I was a bit blindsided and that affected my budgetread more
Heather Heather
17:28 03 Jan 20
Our heating went out. The next day I was able to get a crew out to check the system. Since the compressor was shot and... it would cost nearly $3,000 to repair a 15 year old system I opted to buy a new one. I met with the rep the next day who went over all the options. The day after that the crew arrived and replaced the old unit. They were friendly, thorough & efficient. So after only two days I have a new system. No complaints.read more
John Wertsching
20:22 12 Dec 19

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